Brown was drafted in the first round (second overall) of the 1964 NFL Draft by the Philadelphia Eagles.[1] The contract he signed with the team had a $100,000 signing bonus. After his rookie season in 1964, Brown was named the NFL Rookie of the Year. He was named to the Pro Bowl in 1965 and 1966 during his five-season career with the Eagles.[2]

Brown was named All-Pro during five of his ten seasons with the Eagles, Rams and Oakland Raiders. Named the NFL/NFC offensive lineman of the year three times, Brown was also chosen to play in six Pro Bowls - three with the Eagles, two with the Rams, and one final time with the Raiders.[1]